The InstagramAlgorithm Encyclopedia

Unofficial. Not affiliated with Instagram or Meta. AI answers from the sources shown.

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Common questions

The questions asked most often, each with a verdict from what Instagram and its people have said.

Is shadowbanning real?Partly. Instagram confirms that it can limit recommendations of an account or its content to people who don’t follow it—so reach restrictions are real. But Instagram says people use “shadowbanning” for different experiences, including fewer likes or comments, and it does not promise consistent reach from post to post. Our read: the useful distinction is between an actual recommendation restriction and a reach drop alone; the latter does not establish that you’ve been penalized.Instagram Help Center and Adam Mosseri · Feb 2025

Recent changes

Where the newest sources say something different from what came before.

All changes

  1. October 2026

    1. Video

      Instagram's short-form focus, with reels capped at three minutes, gave way to supporting long-form videos, which Mosseri says he had long opposed.

    2. Video

      Mosseri had said Instagram was reshaping the app around vertical video; it now also supports horizontal long videos shown as wide 2x1 tiles in the grid.

    3. Branded content

      Creator discovery for brands went from an expansion to a few markets to a global rollout of Creator Marketing Hub to all advertisers, with more than 10 million creators discoverable.

    4. Carousels

      Carousels grew from a simple swipe through photos and videos into an editor with text, layouts, cutout stickers and designs that span several slides.

  2. September 2026

    1. Bullying and harassment

      The School Partnership Program grew from a pilot open to US middle and high schools to nearly 17,000 partner schools.

    2. Teen safety

      The school community features now require high school students to be verified through UNiDAYS before joining, and parents can see their teen's school participation in Family Center.

Parts of the app

Each part of Instagram, with how many sources cover it and when the newest was published.

All topics

The Instagram Algorithm Encyclopedia

Unofficial. Not affiliated with Instagram or Meta. Answers are written by AI from the sources shown.